catecholamine

noun cat·e·chol·amine \ ˌka-tə-ˈkō-lə-ˌmēn , -ˈkȯ- \
Updated on: 20 May 2018

Definition of catecholamine

: any of various amines (such as epinephrine, norepinephrine, and dopamine) that function as hormones or neurotransmitters or both

Recent Examples of catecholamine from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'catecholamine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of catecholamine

1954

in the meaning defined above

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Medical Dictionary

catecholamine

noun cat·e·chol·amine \ ˌkat-ə-ˈkō-lə-ˌmēn, -ˈkȯ- \

medical Definition of catecholamine

: any of various amines (as epinephrine, norepinephrine, and dopamine) that contain a dihydroxy benzene ring, that are derived from tyrosine, and that function as hormones or neurotransmitters or both

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